Merge branch 'navigation_aabb_initialization_83' of https://github.com/cgcostume/cgsee into shadow_mapping_71
merge navigation, add default loaded model #71
add switchable framebuffer, render zbuffer into shadowmap #71
implemented hardshadows #71
add temp buffer to do deferred shading
begin adding ssao #71
first ssao version #71
add effect chooser #71
implemented PCF softshadows #71
small shader fix #71
fix for hd3000... #71
cleaned up shader folder #71
add effect selection #71
add possiblity to disable color rendering #71
Merge branch 'navigation_aabb_initialization_83' of https://github.com/cgcostume/cgsee into shadow_mapping_71

Conflicts:
	apps/cgsee/cgsee.cpp
	apps/cgsee/painter.cpp
#71 fixed painter after merge
#71, removed evil gl_FragColor
#71, put Framebufferactions in the existing select framebuffer menu
add better ssao shader #71
non linear kernel #71